Finding the Fourth Proportional to 104,193.11, 143,786.35 and 56,446.65
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Solution
The fourth proportional to 104,193.11, 143,786.35 and 56,446.65 is: 77,896.30
Step by Step Solution
- Step 1: Write the proportion equation
104,193.11 : 143,786.35 = 56,446.65 : x - Step 2: Convert to fraction form
104,193.11/143,786.35 = 56,446.65/x - Step 3: Cross multiply
104,193.11x = 143,786.35 × 56,446.65 - Step 4: Simplify right side
104,193.11x = 8,116,257,773.23 - Step 5: Solve for x
x = 8,116,257,773.23/104,193.11 - Step 6: Final answer
x = 77,896.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.